Home / 8,981.36-13,453.80-6,648.32

Finding the Fourth Proportional to 8,981.36, 13,453.80 and 6,648.32

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Solution

The fourth proportional to 8,981.36, 13,453.80 and 6,648.32 is: 9,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.36 : 13,453.80 = 6,648.32 : x
  2. Step 2: Convert to fraction form
    8,981.36/13,453.80 = 6,648.32/x
  3. Step 3: Cross multiply
    8,981.36x = 13,453.80 × 6,648.32
  4. Step 4: Simplify right side
    8,981.36x = 89,445,167.62
  5. Step 5: Solve for x
    x = 89,445,167.62/8,981.36
  6. Step 6: Final answer
    x = 9,958.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.